, OceanGrafix was selected as NOAAs partner in the development of a new generation of nautical charts for U.S. waters. Using digital technology, OceanGrafix is able to continually incorporate.../NGAPortal/MSI.portal. OceanGrafix NOAA charts for U.S. waters include all Notice to Mariner Corrections issued prior to the time of printing. Q: What is the Local Notice.... waters include all Local Notice to Mariner Corrections issued prior to the time of printing. Q: What is meant by a chart Edition? A: A new Edition brings a NOAA nautical chart up...